B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
0.3%
0.3% -- spam rate threshold for Yahoo Mail senders (2024-02)
Yahoo sender requirements mandate maintaining a spam complaint rate below 0.3%.
- Requirements apply to all senders to Yahoo Mail
- Spam rate must be kept below 0.3%
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
0.3%
Unit
Percentage
Data Vintage
2024-02
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Yahoo
Primary
Tier B
https://alterable.com/blog/email-authentication-a-crucial-step-for-email-deliverability/ ↗
Source Article
Email Authentication: SPF, DKIM, DMARC and the Gmail, Yahoo, Outlook Rules | Alterable
For most of email’s history, authentication was optional in the way that locking your front door is optional. Nothing forced you to, and plenty of senders didn’t. That ended in February 2024, when Gmail and Yahoo began enforcing sender requirements within weeks of each other, and it ended for good i…
Original Research
Yahoo
· Original study ↗
Methodology
Yahoo sender best practices announced alongside Google's February 2024 requirements and described as mirroring them nearly line for line.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Yahoo Mail senders: 0.3% spam rate threshold. Source: Yahoo (2024-02). Via Lighthouse Intelligence -- https://lighthousedata.io/data/yahoo-sender-spam-rate-threshold-0-3-pct
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<blockquote cite="https://lighthousedata.io/data/yahoo-sender-spam-rate-threshold-0-3-pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.3%</strong> -- spam rate threshold for Yahoo Mail senders<br><small>Source: Yahoo (2024-02) · <a href="https://lighthousedata.io/data/yahoo-sender-spam-rate-threshold-0-3-pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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